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- Manuel N. Gamito, Steve C. Maddock
- ACM Trans. Graph.
- 2009

We present an accurate and efficient method to generate samples based on a Poisson-disk distribution. This type of distribution, because of its blue noise spectral properties, is useful for imageâ€¦ (More)

- Manuel N. Gamito, Steve C. Maddock
- The Visual Computer
- 2006

A method is presented for ray casting implicit surfaces defined by fractal combinations of procedural noise functions. The method is robust and uses affine arithmetic to bound the variation of theâ€¦ (More)

- Manuel N. Gamito, F. Kenton Musgrave
- Computers & Graphics
- 2002

A computer model of wave refraction is desirable, in the context of landscape modeling, to generate the familiar wave patterns seen near coastlines. In this article, we present a new method for theâ€¦ (More)

- Manuel N. Gamito, Steve C. Maddock
- Comput. Graph. Forum
- 2006

A simple and elegant method is presented to perform anti-aliasing in raytraced images. The method uses stratified sampling to reduce the occurrence of artefacts in an image and features a B-splineâ€¦ (More)

- Manuel N. Gamito, Steve C. Maddock
- GRAPP
- 2006

Visualising implicit surfaces with the ray casting method is a slow procedure. The design cycle of a new implicit surface is, therefore, fraught with long latency times as a user must wait for theâ€¦ (More)

- Manuel N. Gamito, Steve C. Maddock
- Computers & Graphics
- 2007

The visualisation of implicit surfaces can be an inefficient task when such surfaces are complex and highly detailed. Visualising a surface by first converting it to a polygon mesh may lead to anâ€¦ (More)

- Manuel N. Gamito, Steve C. Maddock
- TPCG
- 2008

Terrains for computer graphics have traditionally been modelled with height fields. In the case of procedurally defined terrains, the height field is generated by a displacement map z = f (x,y).â€¦ (More)

- Manuel N. Gamito
- 2001

Overhangs have been a major stumbling block in the context of terrain synthesis models. These models resort invariably to a heightfield paradigm, which immediately precludes the existence of any typeâ€¦ (More)

- Manuel N. Gamito
- The Visual Computer
- 2007

Hypertextures are a useful modelling tool in that they can add three-dimensional detail to the surface of otherwise smooth objects. Hypertextures can be rendered as implicit surfaces, resulting inâ€¦ (More)

JPEG 2000 Part 10 is a new work part of the ISO/IEC JPEG Committee dealing with the extension of JPEG 2000 technologies to three-dimensional data. One of the issues in Part 10 is the ability toâ€¦ (More)